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SUMMARIZECOLUMNS

概述

根据指定分组返回一个汇总表。

语法

分析表达式

SUMMARIZECOLUMNS( <groupBy_columnName> [, < groupBy_columnName >]…, [<filterTable>]…[, <name>, <expression>]…)

参数

参数	定义
groupBy_ColumnName	用于分组的维度，对基表的完全限定的列引用（表 [列]），其返回的表中包含不同的值。每个 groupBy_columnName 列都与后续指定的列 cross-joined（不同的表）或auto-existed（相同的表）。
filterTable	添加到指定为 groupBy_columnName 参数的所有列的筛选上下文中的表表达式。筛选器表中存在的值用于在执行cross-join/auto-exist之前进行筛选。
name	表示要用于指定的后续表达式的列名称的字符串。
expression	任何返回单个值（而不是表）的分析表达式。

返回值

一个表，基于指定分组的提供列中的值组合的表。

示例

比如Sales表为：

orderID	Amount	ProductKey
1	10	101
2	17	102
3	9	103
4	12	101

Product表为：

ProductID	Name	CategoryKey
101	Apple	1
102	Egg	2
103	Rice	2
104	Juice	3

Category表为：

CategoryID	CategoryName
1	Fruit
2	Food
3	Drinking
4	Seafood

分析表达式

SUMMARIZECOLUMNS( 'Product'[Name],Filter('Category','CategoryID'=1),"total",sumx('Sales','Sales'[Amount]))

那么使用上面的表达式返回：

Name	total
Apple	22

备注

函数不保证结果的任何排序顺序。